<script setup lang="ts" name="Cart">
import Confirm from '@/components/confirm/index'
import Message from '@/components/message/index'
import useStore from '@/store/index'
const { cart } = useStore()
// 删除商品
const delCart = (skuId: string) => {
  // 1.确认消息提示
  Confirm({ title: '温馨提示', text: '你确认移除该商品么?' })
    .then(async () => {
      // 2. 发送删除的请求
      await cart.delCart([skuId])
      // 3. 提示
      Message.success('移除商品成功')
    }).catch(() => {
      Message.info('已取消操作')
    })
}

// 修改单个商品的选中状态
const changeState = async (skuId: string, selected: boolean) => {
  await cart.updateGoods(skuId, { selected })
  Message.success('更新状态成功')
}
// 修改单个商品的数量 
const changeCount = async (skuId: string, count: number) => {
  await cart.updateGoods(skuId, { count })
  Message.success('更新数量成功')
}
// 全选反选
const changeAllState = async (selected: boolean) => {
  await cart.changeAllSelected(selected)
  Message.success('批量操作成功')
}
</script>

<template>
  <div class="xtx-cart-page">
    <div class="container">
      <XtxBread>
        <XtxBreadItem to="/">首页</XtxBreadItem>
        <XtxBreadItem>购物车</XtxBreadItem>
      </XtxBread>
      <div class="cart">
        <table>
          <thead>
            <tr>
              <th width="120">
                <XtxCheckbox :modelValue="cart.isAllChecked" @update:modelValue="changeAllState">全选</XtxCheckbox>
              </th>
              <th width="400">商品信息</th>
              <th width="220">单价</th>
              <th width="180">数量</th>
              <th width="180">小计</th>
              <th width="140">操作</th>
            </tr>
          </thead>
          <!-- 有效商品 -->
          <tbody v-if="cart.list.length">
            <tr v-for="item in cart.effectiveList" :key="item.skuId">
              <td>
                <!-- 方法在使用的时候没有子传父 $event就是事件对象
                  使用了子传父, $event就是子传父传递过来的数据
                -->
                <XtxCheckbox :modelValue="item.selected" @update:modelValue="changeState(item.skuId, $event)" />
              </td>
              <td>
                <div class="goods">
                  <RouterLink to="/">
                    <img :src="item.picture" alt="" />
                  </RouterLink>
                  <div>
                    <p class="name ellipsis">
                      {{ item.name }}
                    </p>
                    <p class="attr">{{ item.attrsText }}</p>
                  </div>
                </div>
              </td>
              <td class="tc">
                <p>&yen;{{ item.nowPrice }}</p>
              </td>
              <td class="tc">
                <XtxNumbox :modelValue="item.count" :max="item.stock"
                  @update:modelValue="changeCount(item.skuId, $event)" />
              </td>
              <td class="tc">
                <p class="f16 red">&yen;{{ (+item.nowPrice * item.count).toFixed(2) }}</p>
              </td>
              <td class="tc">
                <p><a href="javascript:;">移入收藏夹</a></p>
                <p><a class="green" href="javascript:;" @click="delCart(item.skuId)">删除</a></p>
                <p><a href="javascript:;">找相似</a></p>
              </td>
            </tr>
          </tbody>
          <!-- 删除光购物车之后使用元素占位 -->
          <tr v-if="cart.effectiveList.length === 0">
            <td colspan="6">
              <div class="cart-none" style="text-align: center;padding: 100px;">
                <img src="@/assets/images/none.png" alt="" />
                <p>购物车内暂时没有商品</p>
                <div class="btn" style="margin: 20px">
                  <XtxButton type="primary" @click="$router.push('/')"> 继续逛逛 </XtxButton>
                </div>
              </div>
            </td>
          </tr>
        </table>
      </div>
      <!-- 操作栏 -->
      <div class="action">
        <div class="batch"></div>
        <div class="total">
          共 {{ cart.count }} 件有效商品，已选择 {{ cart.seletedCount }} 件，商品合计：
          <span class="red">¥{{ cart.selectedPrice }}</span>
          <XtxButton type="primary" @click="$router.push('/member/checkout')">下单结算</XtxButton>
        </div>
      </div>
    </div>
  </div>
</template>

<style scoped lang="less">
.tc {
  text-align: center;

  .xtx-numbox {
    margin: 0 auto;
    width: 120px;
  }
}

.red {
  color: @priceColor;
}

.green {
  color: @xtxColor;
}

.f16 {
  font-size: 16px;
}

.goods {
  display: flex;
  align-items: center;

  img {
    width: 100px;
    height: 100px;
  }

  >div {
    width: 280px;
    font-size: 16px;
    padding-left: 10px;

    .attr {
      font-size: 14px;
      color: #999;
    }
  }
}

.action {
  display: flex;
  background: #fff;
  margin-top: 20px;
  height: 80px;
  align-items: center;
  font-size: 16px;
  justify-content: space-between;
  padding: 0 30px;

  .xtx-checkbox {
    color: #999;
  }

  .batch {
    a {
      margin-left: 20px;
    }
  }

  .red {
    font-size: 18px;
    margin-right: 20px;
    font-weight: bold;
  }
}

.tit {
  color: #666;
  font-size: 16px;
  font-weight: normal;
  line-height: 50px;
}

.xtx-cart-page {
  .cart {
    background: #fff;
    color: #666;

    table {
      border-spacing: 0;
      border-collapse: collapse;
      line-height: 24px;

      th,
      td {
        padding: 10px;
        border-bottom: 1px solid #f5f5f5;

        &:first-child {
          text-align: left;
          padding-left: 30px;
          color: #999;
        }
      }

      th {
        font-size: 16px;
        font-weight: normal;
        line-height: 50px;
      }
    }
  }
}
</style>